Finding the Fourth Proportional to 22,808.34, 34,184.52 and 12,955.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,808.34 : 34,184.52 = 12,955.86 : x
2. Step 2: Convert to fraction form
   22,808.34/34,184.52 = 12,955.86/x
3. Step 3: Cross multiply
   22,808.34x = 34,184.52 × 12,955.86
4. Step 4: Simplify right side
   22,808.34x = 442,889,855.29
5. Step 5: Solve for x
   x = 442,889,855.29/22,808.34
6. Step 6: Final answer
   x = 19,417.89